package edu.sctu.practice.class02.renzhaoxu.test20;

/**
 * Created by Administrator on 2015/10/30.
 */
public class Motorbike extends Vehicle {

    int b;
    public Motorbike(int b){

        this.b=b;

    }


    @Override
    public String Noofwheels() {
        return "轮子数"+b;
    }
}
